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Our universe is homogeneous and isotropic, and its perturbations obey translation and rotation symmetry. In this work we develop Translation and Rotation Equivariant Normalizing Flow (TRENF), a generative Normalizing Flow (NF) model which…

Cosmology and Nongalactic Astrophysics · Physics 2022-08-03 Biwei Dai , Uros Seljak

Visual Place Recognition (VPR) estimates the location of query images by matching them with images in a reference database. Conventional methods generally adopt aggregated CNN features for global retrieval and RANSAC-based geometric…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Sijie Zhu , Linjie Yang , Chen Chen , Mubarak Shah , Xiaohui Shen , Heng Wang

In the last few years, Recurrent Neural Networks (RNNs) have proved effective on several NLP tasks. Despite such great success, their ability to model \emph{sequence labeling} is still limited. This lead research toward solutions where RNNs…

Computation and Language · Computer Science 2017-06-07 Yoann Dupont , Marco Dinarelli , Isabelle Tellier

Machine learning is playing an increasing role in hydrology, supplementing or replacing physics-based models. One notable example is the use of recurrent neural networks (RNNs) for forecasting streamflow given observed precipitation and…

Computational Physics · Physics 2024-12-09 Mauricio Lima , Katherine Deck , Oliver R. A. Dunbar , Tapio Schneider

Accurately simulating physics is crucial across scientific domains, with applications spanning from robotics to materials science. While traditional mesh-based simulations are precise, they are often computationally expensive and require…

Machine Learning · Computer Science 2025-10-23 Philipp Dahlinger , Tai Hoang , Denis Blessing , Niklas Freymuth , Gerhard Neumann

In a multi-stage recommendation system, reranking plays a crucial role in modeling intra-list correlations among items. A key challenge lies in exploring optimal sequences within the combinatorial space of permutations. Recent research…

Information Retrieval · Computer Science 2025-10-30 Zhijie Lin , Zhuofeng Li , Chenglei Dai , Wentian Bao , Shuai Lin , Enyun Yu , Haoxiang Zhang , Liang Zhao

Reward models (RMs) guide the alignment of large language models (LLMs), steering them toward behaviors preferred by humans. Evaluating RMs is the key to better aligning LLMs. However, the current evaluation of RMs may not directly…

Computation and Language · Computer Science 2025-04-07 Enyu Zhou , Guodong Zheng , Binghai Wang , Zhiheng Xi , Shihan Dou , Rong Bao , Wei Shen , Limao Xiong , Jessica Fan , Yurong Mou , Rui Zheng , Tao Gui , Qi Zhang , Xuanjing Huang

Online map matching is a fundamental problem in location-based services, aiming to incrementally match trajectory data step-by-step onto a road network. However, existing methods fail to meet the needs for efficiency, robustness, and…

Machine Learning · Computer Science 2025-03-21 Minxiao Chen , Haitao Yuan , Nan Jiang , Zhihan Zheng , Sai Wu , Ao Zhou , Shangguang Wang

Pairing a lexical retriever with a neural re-ranking model has set state-of-the-art performance on large-scale information retrieval datasets. This pipeline covers scenarios like question answering or navigational queries, however, for…

Information Retrieval · Computer Science 2022-10-20 Tim Baumgärtner , Leonardo F. R. Ribeiro , Nils Reimers , Iryna Gurevych

Summary: We describe a tool for quantifying the uniformity of mapped reads in high-throughput sequencing experiments. Our statistic directly measures the uniformity of both read position and fragment length, and we explain how to compute a…

Genomics · Quantitative Biology 2013-10-22 Valerie Hower , Richard Starfield , Adam Roberts , Lior Pachter

Semantic matching, which aims to determine the matching degree between two texts, is a fundamental problem for many NLP applications. Recently, deep learning approach has been applied to this problem and significant improvements have been…

Computation and Language · Computer Science 2016-04-20 Shengxian Wan , Yanyan Lan , Jun Xu , Jiafeng Guo , Liang Pang , Xueqi Cheng

The practical NAND flash memory suffers from various non-stationary noises that are difficult to be predicted. Furthermore, the data retention noise induced channel offset is unknown during the readback process. This severely affects the…

Information Theory · Computer Science 2019-07-10 Zhen Mei , Kui Cai , Xuan He

The user review data have been demonstrated to be effective in solving different recommendation problems. Previous review-based recommendation methods usually employ sophisticated compositional models, such as Recurrent Neural Networks…

Information Retrieval · Computer Science 2021-01-26 Yong Liu , Susen Yang , Yinan Zhang , Chunyan Miao , Zaiqing Nie , Juyong Zhang

Deep Neural Network(DNN) techniques have been prevalent in software engineering. They are employed to faciliatate various software engineering tasks and embedded into many software applications. However, analyzing and understanding their…

Software Engineering · Computer Science 2019-06-04 Xufan Zhang , Ziyue Yin , Yang Feng , Qingkai Shi , Jia Liu , Zhenyu Chen

Reservoir computers (RC) are a form of recurrent neural network (RNN) used for forecasting timeseries data. As with all RNNs, selecting the hyperparameters presents a challenge when training onnew inputs. We present a method based on…

Computational Physics · Physics 2022-01-05 Jason A. Platt , Adrian S. Wong , Randall Clark , Stephen G. Penny , Henry D. I. Abarbanel

Following natural instructions is crucial for the effective application of Retrieval-Augmented Generation (RAG) systems. Despite recent advancements in Large Language Models (LLMs), research on assessing and improving instruction-following…

Computation and Language · Computer Science 2024-10-15 Guanting Dong , Xiaoshuai Song , Yutao Zhu , Runqi Qiao , Zhicheng Dou , Ji-Rong Wen

When implementing unfamiliar programming tasks, developers commonly search code examples and learn usage patterns of APIs from the code examples or reuse them by copy-pasting and modifying. For providing high-quality code examples, previous…

Software Engineering · Computer Science 2017-03-07 He Jiang , Liming Nie , Zeyi Sun , Zhilei Ren , Weiqiang Kong , Tao Zhang , Xiapu Luo

Recommender Systems (RS) aim to generate personalized ranked lists for each user and are evaluated using ranking metrics. Although personalized ranking is a fundamental aspect of RS, this critical property is often overlooked in the design…

Information Retrieval · Computer Science 2025-03-24 Sirui Chen , Shen Han , Jiawei Chen , Binbin Hu , Sheng Zhou , Gang Wang , Yan Feng , Chun Chen , Can Wang

Motivation: With the rapid expansion of large-scale biological datasets, DNA and protein sequence alignments have become essential for comparative genomics and proteomics. These alignments facilitate the exploration of sequence similarity…

Genomics · Quantitative Biology 2024-12-02 Michail Patsakis , Kimonas Provatas , Ioannis Mouratidis , Ilias Georgakopoulos-Soares

We present LLM-Blender, an ensembling framework designed to attain consistently superior performance by leveraging the diverse strengths of multiple open-source large language models (LLMs). Our framework consists of two modules: PairRanker…

Computation and Language · Computer Science 2023-07-04 Dongfu Jiang , Xiang Ren , Bill Yuchen Lin